.middle > div {
    width: 900px;
    margin: 50px 0;
    border: 1px solid gray;
}

.type > div {
    background-color: rgb(243, 243, 243);
    height: 73px;
    padding: 0 20px;
    line-height: 73px;
    cursor: pointer;

}

.type > div:hover {
    background-color: rgb(230, 145, 55);
    color: white;
}

/*----------------产品内容------------*/
.product>div{
    width: 210px;
    margin-bottom: 20px;
}
.product> div img{
    width: 210px;
}
.product{
    color: gray;
}
.product .name{
    color: black;
    font-size: 25px;
}
.product .price{
    color: red;
}